---> uname -a: Linux dd12df4ebc91 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Available Use% Mounted on overlay 50.0G 7.0G 43.0G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.0G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hostname /dev/vda1 50.0G 7.0G 43.0G 14% /etc/hosts /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-277@tmp /dev/vda1 50.0G 7.0G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 7.0G 43.0G 14% /w/workspace/dry_go-mod-core-contracts_PR-277 ---> free -m: total used free shared buff/cache available Mem: 1837 644 127 0 1065 1086 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/04/20 _x86_64_ (4 CPU) 01:01:17 LINUX RESTART (4 CPU) 01:02:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:03:01 65.99 17.04 48.95 0.00 5126.66 4987.65 0.00 01:04:02 1.68 0.00 1.68 0.00 0.00 31.77 0.00 01:05:01 0.22 0.00 0.22 0.00 0.00 2.22 0.00 01:06:01 0.28 0.00 0.28 0.00 0.00 3.91 0.00 01:07:01 0.18 0.00 0.18 0.00 0.00 3.03 0.00 Average: 13.72 3.42 10.30 0.00 1028.75 1009.07 0.00 01:02:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:03:01 165204 0 572252 30.41 2620 1141480 1162380 39.67 426472 1129028 120 01:04:02 177152 0 560300 29.78 2620 1141484 1080332 36.87 419980 1125032 20 01:05:01 173372 0 564072 29.98 2620 1141492 1080896 36.89 424508 1124848 20 01:06:01 172456 0 564988 30.03 2620 1141492 1080920 36.89 424716 1124844 12 01:07:01 172624 0 564816 30.02 2620 1141496 1080680 36.88 425380 1124340 16 Average: 172162 0 565286 30.04 2620 1141489 1097042 37.44 424211 1125618 38 01:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:03:01 eth0 172.05 139.43 812.95 87.59 0.00 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 5.42 3.86 0.92 10.31 0.00 0.00 0.00 0.00 01:04:02 eth0 0.48 0.05 0.04 0.00 0.00 0.00 0.00 0.00 01:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 eth0 3.59 2.32 7.97 0.18 0.00 0.00 0.00 0.00 01:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 eth0 1.66 0.65 0.66 0.40 0.00 0.00 0.00 0.00 01:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 eth0 0.58 0.33 0.34 0.23 0.00 0.00 0.00 0.00 01:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.78 28.64 164.91 17.74 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.09 0.77 0.18 2.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 09/04/20 _x86_64_ (4 CPU) 01:01:17 LINUX RESTART (4 CPU) 01:02:01 CPU %user %nice %system %iowait %steal %idle 01:03:01 all 11.25 0.00 3.78 1.86 9.29 73.82 01:03:01 0 11.32 0.00 4.22 0.29 9.63 74.55 01:03:01 1 12.82 0.00 3.41 2.83 9.05 71.90 01:03:01 2 11.45 0.00 3.69 0.64 9.24 74.99 01:03:01 3 9.44 0.00 3.82 3.65 9.26 73.83 01:04:02 all 0.14 0.00 0.06 0.00 0.24 99.56 01:04:02 0 0.03 0.00 0.05 0.00 0.10 99.82 01:04:02 1 0.08 0.00 0.05 0.00 0.46 99.40 01:04:02 2 0.42 0.00 0.07 0.00 0.28 99.24 01:04:02 3 0.03 0.00 0.08 0.00 0.12 99.77 01:05:01 all 0.13 0.00 0.06 0.00 0.76 99.05 01:05:01 0 0.07 0.00 0.08 0.00 0.51 99.34 01:05:01 1 0.18 0.00 0.05 0.00 1.41 98.35 01:05:01 2 0.08 0.00 0.03 0.00 0.42 99.46 01:05:01 3 0.20 0.00 0.07 0.00 0.69 99.04 01:06:01 all 0.11 0.00 0.03 0.00 0.27 99.59 01:06:01 0 0.00 0.00 0.02 0.00 0.15 99.83 01:06:01 1 0.07 0.00 0.05 0.00 0.47 99.42 01:06:01 2 0.07 0.00 0.03 0.00 0.13 99.77 01:06:01 3 0.32 0.00 0.02 0.00 0.33 99.33 01:07:01 all 0.12 0.00 0.04 0.00 0.11 99.73 01:07:01 0 0.05 0.00 0.03 0.00 0.03 99.88 01:07:01 1 0.17 0.00 0.07 0.00 0.23 99.53 01:07:01 2 0.03 0.00 0.03 0.00 0.03 99.90 01:07:01 3 0.23 0.00 0.03 0.00 0.13 99.60 Average: all 2.34 0.00 0.79 0.37 2.13 94.37 Average: 0 2.28 0.00 0.87 0.06 2.07 94.73 Average: 1 2.65 0.00 0.72 0.56 2.31 93.76 Average: 2 2.40 0.00 0.77 0.13 2.02 94.68 Average: 3 2.05 0.00 0.81 0.73 2.11 94.29